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        <a href="paramiko-module.html">Package&nbsp;paramiko</a> ::
        Module&nbsp;packet
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<h1 class="epydoc">Source Code for <a href="paramiko.packet-module.html" onclick="show_private();">Module paramiko.packet</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-comment"># Copyright (C) 2003-2007  Robey Pointer &lt;robeypointer@gmail.com&gt;</tt> </tt>
<a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># This file is part of paramiko.</tt> </tt>
<a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># Paramiko is free software; you can redistribute it and/or modify it under the</tt> </tt>
<a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># terms of the GNU Lesser General Public License as published by the Free</tt> </tt>
<a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># Software Foundation; either version 2.1 of the License, or (at your option)</tt> </tt>
<a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># any later version.</tt> </tt>
<a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY</tt> </tt>
<a name="L11"></a><tt class="py-lineno"> 11</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR</tt> </tt>
<a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more</tt> </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># details.</tt> </tt>
<a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># You should have received a copy of the GNU Lesser General Public License</tt> </tt>
<a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># along with Paramiko; if not, write to the Free Software Foundation, Inc.,</tt> </tt>
<a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.</tt> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line"><tt class="py-docstring">Packetizer.</tt> </tt>
<a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L22"></a><tt class="py-lineno"> 22</tt>  <tt class="py-line"> </tt>
<a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">errno</tt> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">select</tt> </tt>
<a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">socket</tt> </tt>
<a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">struct</tt> </tt>
<a name="L27"></a><tt class="py-lineno"> 27</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">threading</tt> </tt>
<a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">time</tt> </tt>
<a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line"> </tt>
<a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-0" class="py-name" targets="Package paramiko=paramiko-module.html"><a title="paramiko" class="py-name" href="#" onclick="return doclink('link-0', 'paramiko', 'link-0');">paramiko</a></tt><tt class="py-op">.</tt><tt id="link-1" class="py-name" targets="Module paramiko.common=paramiko.common-module.html"><a title="paramiko.common" class="py-name" href="#" onclick="return doclink('link-1', 'common', 'link-1');">common</a></tt> <tt class="py-keyword">import</tt> <tt class="py-op">*</tt> </tt>
<a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-2" class="py-name"><a title="paramiko" class="py-name" href="#" onclick="return doclink('link-2', 'paramiko', 'link-0');">paramiko</a></tt> <tt class="py-keyword">import</tt> <tt id="link-3" class="py-name" targets="Module paramiko.util=paramiko.util-module.html"><a title="paramiko.util" class="py-name" href="#" onclick="return doclink('link-3', 'util', 'link-3');">util</a></tt> </tt>
<a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-4" class="py-name"><a title="paramiko" class="py-name" href="#" onclick="return doclink('link-4', 'paramiko', 'link-0');">paramiko</a></tt><tt class="py-op">.</tt><tt id="link-5" class="py-name" targets="Module paramiko.ssh_exception=paramiko.ssh_exception-module.html"><a title="paramiko.ssh_exception" class="py-name" href="#" onclick="return doclink('link-5', 'ssh_exception', 'link-5');">ssh_exception</a></tt> <tt class="py-keyword">import</tt> <tt id="link-6" class="py-name" targets="Class paramiko.SSHException=paramiko.SSHException-class.html"><a title="paramiko.SSHException" class="py-name" href="#" onclick="return doclink('link-6', 'SSHException', 'link-6');">SSHException</a></tt><tt class="py-op">,</tt> <tt id="link-7" class="py-name" targets="Class paramiko.ProxyCommandFailure=paramiko.ProxyCommandFailure-class.html"><a title="paramiko.ProxyCommandFailure" class="py-name" href="#" onclick="return doclink('link-7', 'ProxyCommandFailure', 'link-7');">ProxyCommandFailure</a></tt> </tt>
<a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-8" class="py-name"><a title="paramiko" class="py-name" href="#" onclick="return doclink('link-8', 'paramiko', 'link-0');">paramiko</a></tt><tt class="py-op">.</tt><tt id="link-9" class="py-name" targets="Module paramiko.message=paramiko.message-module.html"><a title="paramiko.message" class="py-name" href="#" onclick="return doclink('link-9', 'message', 'link-9');">message</a></tt> <tt class="py-keyword">import</tt> <tt id="link-10" class="py-name" targets="Class paramiko.Message=paramiko.Message-class.html"><a title="paramiko.Message" class="py-name" href="#" onclick="return doclink('link-10', 'Message', 'link-10');">Message</a></tt> </tt>
<a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line"> </tt>
<a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line"> </tt>
<a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line"><tt id="link-11" class="py-name" targets="Variable paramiko.packet.got_r_hmac=paramiko.packet-module.html#got_r_hmac"><a title="paramiko.packet.got_r_hmac" class="py-name" href="#" onclick="return doclink('link-11', 'got_r_hmac', 'link-11');">got_r_hmac</a></tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L37"></a><tt class="py-lineno"> 37</tt>  <tt class="py-line"><tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line">    <tt class="py-keyword">import</tt> <tt class="py-name">r_hmac</tt> </tt>
<a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line">    <tt id="link-12" class="py-name"><a title="paramiko.packet.got_r_hmac" class="py-name" href="#" onclick="return doclink('link-12', 'got_r_hmac', 'link-11');">got_r_hmac</a></tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line"><tt class="py-keyword">except</tt> <tt class="py-name">ImportError</tt><tt class="py-op">:</tt> </tt>
<a name="L41"></a><tt class="py-lineno"> 41</tt>  <tt class="py-line">    <tt class="py-keyword">pass</tt> </tt>
<a name="compute_hmac"></a><div id="compute_hmac-def"><a name="L42"></a><tt class="py-lineno"> 42</tt> <a class="py-toggle" href="#" id="compute_hmac-toggle" onclick="return toggle('compute_hmac');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet-module.html#compute_hmac">compute_hmac</a><tt class="py-op">(</tt><tt class="py-param">key</tt><tt class="py-op">,</tt> <tt class="py-param">message</tt><tt class="py-op">,</tt> <tt class="py-param">digest_class</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="compute_hmac-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="compute_hmac-expanded"><a name="L43"></a><tt class="py-lineno"> 43</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt id="link-13" class="py-name"><a title="paramiko.packet.got_r_hmac" class="py-name" href="#" onclick="return doclink('link-13', 'got_r_hmac', 'link-11');">got_r_hmac</a></tt><tt class="py-op">:</tt> </tt>
<a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">r_hmac</tt><tt class="py-op">.</tt><tt class="py-name">HMAC</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">,</tt> <tt id="link-14" class="py-name"><a title="paramiko.message" class="py-name" href="#" onclick="return doclink('link-14', 'message', 'link-9');">message</a></tt><tt class="py-op">,</tt> <tt class="py-name">digest_class</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">digest</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L45"></a><tt class="py-lineno"> 45</tt>  <tt class="py-line">    <tt class="py-keyword">from</tt> <tt class="py-name">Crypto</tt><tt class="py-op">.</tt><tt class="py-name">Hash</tt> <tt class="py-keyword">import</tt> <tt class="py-name">HMAC</tt> </tt>
<a name="L46"></a><tt class="py-lineno"> 46</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">HMAC</tt><tt class="py-op">.</tt><tt class="py-name">HMAC</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">,</tt> <tt id="link-15" class="py-name"><a title="paramiko.message" class="py-name" href="#" onclick="return doclink('link-15', 'message', 'link-9');">message</a></tt><tt class="py-op">,</tt> <tt class="py-name">digest_class</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">digest</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L47"></a><tt class="py-lineno"> 47</tt>  <tt class="py-line"> </tt>
<a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line"> </tt>
<a name="NeedRekeyException"></a><div id="NeedRekeyException-def"><a name="L49"></a><tt class="py-lineno"> 49</tt> <a class="py-toggle" href="#" id="NeedRekeyException-toggle" onclick="return toggle('NeedRekeyException');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="paramiko.packet.NeedRekeyException-class.html">NeedRekeyException</a> <tt class="py-op">(</tt><tt class="py-base-class">Exception</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NeedRekeyException-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="NeedRekeyException-expanded"><a name="L50"></a><tt class="py-lineno"> 50</tt>  <tt class="py-line">    <tt class="py-keyword">pass</tt> </tt>
</div><a name="L51"></a><tt class="py-lineno"> 51</tt>  <tt class="py-line"> </tt>
<a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line"> </tt>
<a name="Packetizer"></a><div id="Packetizer-def"><a name="L53"></a><tt class="py-lineno"> 53</tt> <a class="py-toggle" href="#" id="Packetizer-toggle" onclick="return toggle('Packetizer');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html">Packetizer</a> <tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="Packetizer-expanded"><a name="L54"></a><tt class="py-lineno"> 54</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line"><tt class="py-docstring">    Implementation of the base SSH packet protocol.</tt> </tt>
<a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line"> </tt>
<a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line">    <tt class="py-comment"># READ the secsh RFC's before raising these values.  if anything,</tt> </tt>
<a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># they should probably be lower.</tt> </tt>
<a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-name">REKEY_PACKETS</tt> <tt class="py-op">=</tt> <tt class="py-name">pow</tt><tt class="py-op">(</tt><tt class="py-number">2</tt><tt class="py-op">,</tt> <tt class="py-number">29</tt><tt class="py-op">)</tt> </tt>
<a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line">    <tt class="py-name">REKEY_BYTES</tt> <tt class="py-op">=</tt> <tt class="py-name">pow</tt><tt class="py-op">(</tt><tt class="py-number">2</tt><tt class="py-op">,</tt> <tt class="py-number">29</tt><tt class="py-op">)</tt> </tt>
<a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line"> </tt>
<a name="L63"></a><tt class="py-lineno"> 63</tt>  <tt class="py-line">    <tt class="py-name">REKEY_PACKETS_OVERFLOW_MAX</tt> <tt class="py-op">=</tt> <tt class="py-name">pow</tt><tt class="py-op">(</tt><tt class="py-number">2</tt><tt class="py-op">,</tt><tt class="py-number">29</tt><tt class="py-op">)</tt>      <tt class="py-comment"># Allow receiving this many packets after a re-key request before terminating</tt> </tt>
<a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line">    <tt class="py-name">REKEY_BYTES_OVERFLOW_MAX</tt> <tt class="py-op">=</tt> <tt class="py-name">pow</tt><tt class="py-op">(</tt><tt class="py-number">2</tt><tt class="py-op">,</tt><tt class="py-number">29</tt><tt class="py-op">)</tt>        <tt class="py-comment"># Allow receiving this many bytes after a re-key request before terminating</tt> </tt>
<a name="L65"></a><tt class="py-lineno"> 65</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.__init__"></a><div id="Packetizer.__init__-def"><a name="L66"></a><tt class="py-lineno"> 66</tt> <a class="py-toggle" href="#" id="Packetizer.__init__-toggle" onclick="return toggle('Packetizer.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">socket</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.__init__-expanded"><a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__socket</tt> <tt class="py-op">=</tt> <tt class="py-name">socket</tt> </tt>
<a name="L68"></a><tt class="py-lineno"> 68</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__logger</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__closed</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__dump_packets</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__need_rekey</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L72"></a><tt class="py-lineno"> 72</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__init_count</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__remainder</tt> <tt class="py-op">=</tt> <tt class="py-string">''</tt> </tt>
<a name="L74"></a><tt class="py-lineno"> 74</tt>  <tt class="py-line"> </tt>
<a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line">        <tt class="py-comment"># used for noticing when to re-key:</tt> </tt>
<a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sent_bytes</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sent_packets</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_bytes</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_packets</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_bytes_overflow</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L81"></a><tt class="py-lineno"> 81</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_packets_overflow</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line"> </tt>
<a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line">        <tt class="py-comment"># current inbound/outbound ciphering:</tt> </tt>
<a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_size_out</tt> <tt class="py-op">=</tt> <tt class="py-number">8</tt> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_size_in</tt> <tt class="py-op">=</tt> <tt class="py-number">8</tt> </tt>
<a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_size_out</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_size_in</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_out</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_in</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sdctr_out</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_engine_out</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L92"></a><tt class="py-lineno"> 92</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_engine_in</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_key_out</tt> <tt class="py-op">=</tt> <tt class="py-string">''</tt> </tt>
<a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_key_in</tt> <tt class="py-op">=</tt> <tt class="py-string">''</tt> </tt>
<a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__compress_engine_out</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__compress_engine_in</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L97"></a><tt class="py-lineno"> 97</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sequence_number_out</tt> <tt class="py-op">=</tt> <tt class="py-number">0L</tt> </tt>
<a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sequence_number_in</tt> <tt class="py-op">=</tt> <tt class="py-number">0L</tt> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line"> </tt>
<a name="L100"></a><tt class="py-lineno">100</tt>  <tt class="py-line">        <tt class="py-comment"># lock around outbound writes (packet computation)</tt> </tt>
<a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__write_lock</tt> <tt class="py-op">=</tt> <tt class="py-name">threading</tt><tt class="py-op">.</tt><tt class="py-name">RLock</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line"> </tt>
<a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line">        <tt class="py-comment"># keepalives:</tt> </tt>
<a name="L104"></a><tt class="py-lineno">104</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__keepalive_interval</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L105"></a><tt class="py-lineno">105</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__keepalive_last</tt> <tt class="py-op">=</tt> <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L106"></a><tt class="py-lineno">106</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__keepalive_callback</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
</div><a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.set_log"></a><div id="Packetizer.set_log-def"><a name="L108"></a><tt class="py-lineno">108</tt> <a class="py-toggle" href="#" id="Packetizer.set_log-toggle" onclick="return toggle('Packetizer.set_log');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#set_log">set_log</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">log</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.set_log-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.set_log-expanded"><a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L110"></a><tt class="py-lineno">110</tt>  <tt class="py-line"><tt class="py-docstring">        Set the python log object to use for logging.</tt> </tt>
<a name="L111"></a><tt class="py-lineno">111</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L112"></a><tt class="py-lineno">112</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__logger</tt> <tt class="py-op">=</tt> <tt id="link-16" class="py-name" targets="Method paramiko.logging22.logger.log()=paramiko.logging22.logger-class.html#log"><a title="paramiko.logging22.logger.log" class="py-name" href="#" onclick="return doclink('link-16', 'log', 'link-16');">log</a></tt> </tt>
</div><a name="L113"></a><tt class="py-lineno">113</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.set_outbound_cipher"></a><div id="Packetizer.set_outbound_cipher-def"><a name="L114"></a><tt class="py-lineno">114</tt> <a class="py-toggle" href="#" id="Packetizer.set_outbound_cipher-toggle" onclick="return toggle('Packetizer.set_outbound_cipher');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#set_outbound_cipher">set_outbound_cipher</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">block_engine</tt><tt class="py-op">,</tt> <tt class="py-param">block_size</tt><tt class="py-op">,</tt> <tt class="py-param">mac_engine</tt><tt class="py-op">,</tt> <tt class="py-param">mac_size</tt><tt class="py-op">,</tt> <tt class="py-param">mac_key</tt><tt class="py-op">,</tt> <tt class="py-param">sdctr</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.set_outbound_cipher-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.set_outbound_cipher-expanded"><a name="L115"></a><tt class="py-lineno">115</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L116"></a><tt class="py-lineno">116</tt>  <tt class="py-line"><tt class="py-docstring">        Switch outbound data cipher.</tt> </tt>
<a name="L117"></a><tt class="py-lineno">117</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L118"></a><tt class="py-lineno">118</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_out</tt> <tt class="py-op">=</tt> <tt class="py-name">block_engine</tt> </tt>
<a name="L119"></a><tt class="py-lineno">119</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sdctr_out</tt> <tt class="py-op">=</tt> <tt class="py-name">sdctr</tt> </tt>
<a name="L120"></a><tt class="py-lineno">120</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_size_out</tt> <tt class="py-op">=</tt> <tt class="py-name">block_size</tt> </tt>
<a name="L121"></a><tt class="py-lineno">121</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_engine_out</tt> <tt class="py-op">=</tt> <tt class="py-name">mac_engine</tt> </tt>
<a name="L122"></a><tt class="py-lineno">122</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_size_out</tt> <tt class="py-op">=</tt> <tt class="py-name">mac_size</tt> </tt>
<a name="L123"></a><tt class="py-lineno">123</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_key_out</tt> <tt class="py-op">=</tt> <tt class="py-name">mac_key</tt> </tt>
<a name="L124"></a><tt class="py-lineno">124</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sent_bytes</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L125"></a><tt class="py-lineno">125</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sent_packets</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L126"></a><tt class="py-lineno">126</tt>  <tt class="py-line">        <tt class="py-comment"># wait until the reset happens in both directions before clearing rekey flag</tt> </tt>
<a name="L127"></a><tt class="py-lineno">127</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__init_count</tt> <tt class="py-op">|=</tt> <tt class="py-number">1</tt> </tt>
<a name="L128"></a><tt class="py-lineno">128</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__init_count</tt> <tt class="py-op">==</tt> <tt class="py-number">3</tt><tt class="py-op">:</tt> </tt>
<a name="L129"></a><tt class="py-lineno">129</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__init_count</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L130"></a><tt class="py-lineno">130</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__need_rekey</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
</div><a name="L131"></a><tt class="py-lineno">131</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.set_inbound_cipher"></a><div id="Packetizer.set_inbound_cipher-def"><a name="L132"></a><tt class="py-lineno">132</tt> <a class="py-toggle" href="#" id="Packetizer.set_inbound_cipher-toggle" onclick="return toggle('Packetizer.set_inbound_cipher');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#set_inbound_cipher">set_inbound_cipher</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">block_engine</tt><tt class="py-op">,</tt> <tt class="py-param">block_size</tt><tt class="py-op">,</tt> <tt class="py-param">mac_engine</tt><tt class="py-op">,</tt> <tt class="py-param">mac_size</tt><tt class="py-op">,</tt> <tt class="py-param">mac_key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.set_inbound_cipher-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.set_inbound_cipher-expanded"><a name="L133"></a><tt class="py-lineno">133</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L134"></a><tt class="py-lineno">134</tt>  <tt class="py-line"><tt class="py-docstring">        Switch inbound data cipher.</tt> </tt>
<a name="L135"></a><tt class="py-lineno">135</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L136"></a><tt class="py-lineno">136</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_in</tt> <tt class="py-op">=</tt> <tt class="py-name">block_engine</tt> </tt>
<a name="L137"></a><tt class="py-lineno">137</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_size_in</tt> <tt class="py-op">=</tt> <tt class="py-name">block_size</tt> </tt>
<a name="L138"></a><tt class="py-lineno">138</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_engine_in</tt> <tt class="py-op">=</tt> <tt class="py-name">mac_engine</tt> </tt>
<a name="L139"></a><tt class="py-lineno">139</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_size_in</tt> <tt class="py-op">=</tt> <tt class="py-name">mac_size</tt> </tt>
<a name="L140"></a><tt class="py-lineno">140</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_key_in</tt> <tt class="py-op">=</tt> <tt class="py-name">mac_key</tt> </tt>
<a name="L141"></a><tt class="py-lineno">141</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_bytes</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L142"></a><tt class="py-lineno">142</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_packets</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L143"></a><tt class="py-lineno">143</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_bytes_overflow</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L144"></a><tt class="py-lineno">144</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_packets_overflow</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L145"></a><tt class="py-lineno">145</tt>  <tt class="py-line">        <tt class="py-comment"># wait until the reset happens in both directions before clearing rekey flag</tt> </tt>
<a name="L146"></a><tt class="py-lineno">146</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__init_count</tt> <tt class="py-op">|=</tt> <tt class="py-number">2</tt> </tt>
<a name="L147"></a><tt class="py-lineno">147</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__init_count</tt> <tt class="py-op">==</tt> <tt class="py-number">3</tt><tt class="py-op">:</tt> </tt>
<a name="L148"></a><tt class="py-lineno">148</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__init_count</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L149"></a><tt class="py-lineno">149</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__need_rekey</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
</div><a name="L150"></a><tt class="py-lineno">150</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.set_outbound_compressor"></a><div id="Packetizer.set_outbound_compressor-def"><a name="L151"></a><tt class="py-lineno">151</tt> <a class="py-toggle" href="#" id="Packetizer.set_outbound_compressor-toggle" onclick="return toggle('Packetizer.set_outbound_compressor');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#set_outbound_compressor">set_outbound_compressor</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">compressor</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.set_outbound_compressor-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.set_outbound_compressor-expanded"><a name="L152"></a><tt class="py-lineno">152</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__compress_engine_out</tt> <tt class="py-op">=</tt> <tt class="py-name">compressor</tt> </tt>
</div><a name="L153"></a><tt class="py-lineno">153</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.set_inbound_compressor"></a><div id="Packetizer.set_inbound_compressor-def"><a name="L154"></a><tt class="py-lineno">154</tt> <a class="py-toggle" href="#" id="Packetizer.set_inbound_compressor-toggle" onclick="return toggle('Packetizer.set_inbound_compressor');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#set_inbound_compressor">set_inbound_compressor</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">compressor</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.set_inbound_compressor-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.set_inbound_compressor-expanded"><a name="L155"></a><tt class="py-lineno">155</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__compress_engine_in</tt> <tt class="py-op">=</tt> <tt class="py-name">compressor</tt> </tt>
</div><a name="L156"></a><tt class="py-lineno">156</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.close"></a><div id="Packetizer.close-def"><a name="L157"></a><tt class="py-lineno">157</tt> <a class="py-toggle" href="#" id="Packetizer.close-toggle" onclick="return toggle('Packetizer.close');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#close">close</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.close-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.close-expanded"><a name="L158"></a><tt class="py-lineno">158</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__closed</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L159"></a><tt class="py-lineno">159</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__socket</tt><tt class="py-op">.</tt><tt id="link-17" class="py-name" targets="Method paramiko.Agent.close()=paramiko.Agent-class.html#close,Method paramiko.BufferedFile.close()=paramiko.BufferedFile-class.html#close,Method paramiko.Channel.close()=paramiko.Channel-class.html#close,Method paramiko.ProxyCommand.close()=paramiko.ProxyCommand-class.html#close,Method paramiko.SFTPClient.close()=paramiko.SFTPClient-class.html#close,Method paramiko.SFTPFile.close()=paramiko.SFTPFile-class.html#close,Method paramiko.SFTPHandle.close()=paramiko.SFTPHandle-class.html#close,Method paramiko.SSHClient.close()=paramiko.SSHClient-class.html#close,Method paramiko.Transport.close()=paramiko.Transport-class.html#close,Method paramiko.agent.AgentClientProxy.close()=paramiko.agent.AgentClientProxy-class.html#close,Method paramiko.agent.AgentRequestHandler.close()=paramiko.agent.AgentRequestHandler-class.html#close,Method paramiko.agent.AgentServerProxy.close()=paramiko.agent.AgentServerProxy-class.html#close,Method paramiko.buffered_pipe.BufferedPipe.close()=paramiko.buffered_pipe.BufferedPipe-class.html#close,Method paramiko.pipe.PosixPipe.close()=paramiko.pipe.PosixPipe-class.html#close,Method paramiko.pipe.WindowsPipe.close()=paramiko.pipe.WindowsPipe-class.html#close,Method paramiko.win_pageant.PageantConnection.close()=paramiko.win_pageant.PageantConnection-class.html#close"><a title="paramiko.Agent.close
paramiko.BufferedFile.close
paramiko.Channel.close
paramiko.ProxyCommand.close
paramiko.SFTPClient.close
paramiko.SFTPFile.close
paramiko.SFTPHandle.close
paramiko.SSHClient.close
paramiko.Transport.close
paramiko.agent.AgentClientProxy.close
paramiko.agent.AgentRequestHandler.close
paramiko.agent.AgentServerProxy.close
paramiko.buffered_pipe.BufferedPipe.close
paramiko.pipe.PosixPipe.close
paramiko.pipe.WindowsPipe.close
paramiko.win_pageant.PageantConnection.close" class="py-name" href="#" onclick="return doclink('link-17', 'close', 'link-17');">close</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L160"></a><tt class="py-lineno">160</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.set_hexdump"></a><div id="Packetizer.set_hexdump-def"><a name="L161"></a><tt class="py-lineno">161</tt> <a class="py-toggle" href="#" id="Packetizer.set_hexdump-toggle" onclick="return toggle('Packetizer.set_hexdump');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#set_hexdump">set_hexdump</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">hexdump</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.set_hexdump-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.set_hexdump-expanded"><a name="L162"></a><tt class="py-lineno">162</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__dump_packets</tt> <tt class="py-op">=</tt> <tt class="py-name">hexdump</tt> </tt>
</div><a name="L163"></a><tt class="py-lineno">163</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.get_hexdump"></a><div id="Packetizer.get_hexdump-def"><a name="L164"></a><tt class="py-lineno">164</tt> <a class="py-toggle" href="#" id="Packetizer.get_hexdump-toggle" onclick="return toggle('Packetizer.get_hexdump');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#get_hexdump">get_hexdump</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.get_hexdump-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.get_hexdump-expanded"><a name="L165"></a><tt class="py-lineno">165</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__dump_packets</tt> </tt>
</div><a name="L166"></a><tt class="py-lineno">166</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.get_mac_size_in"></a><div id="Packetizer.get_mac_size_in-def"><a name="L167"></a><tt class="py-lineno">167</tt> <a class="py-toggle" href="#" id="Packetizer.get_mac_size_in-toggle" onclick="return toggle('Packetizer.get_mac_size_in');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#get_mac_size_in">get_mac_size_in</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.get_mac_size_in-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.get_mac_size_in-expanded"><a name="L168"></a><tt class="py-lineno">168</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_size_in</tt> </tt>
</div><a name="L169"></a><tt class="py-lineno">169</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.get_mac_size_out"></a><div id="Packetizer.get_mac_size_out-def"><a name="L170"></a><tt class="py-lineno">170</tt> <a class="py-toggle" href="#" id="Packetizer.get_mac_size_out-toggle" onclick="return toggle('Packetizer.get_mac_size_out');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#get_mac_size_out">get_mac_size_out</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.get_mac_size_out-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.get_mac_size_out-expanded"><a name="L171"></a><tt class="py-lineno">171</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_size_out</tt> </tt>
</div><a name="L172"></a><tt class="py-lineno">172</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.need_rekey"></a><div id="Packetizer.need_rekey-def"><a name="L173"></a><tt class="py-lineno">173</tt> <a class="py-toggle" href="#" id="Packetizer.need_rekey-toggle" onclick="return toggle('Packetizer.need_rekey');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#need_rekey">need_rekey</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.need_rekey-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.need_rekey-expanded"><a name="L174"></a><tt class="py-lineno">174</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L175"></a><tt class="py-lineno">175</tt>  <tt class="py-line"><tt class="py-docstring">        Returns C{True} if a new set of keys needs to be negotiated.  This</tt> </tt>
<a name="L176"></a><tt class="py-lineno">176</tt>  <tt class="py-line"><tt class="py-docstring">        will be triggered during a packet read or write, so it should be</tt> </tt>
<a name="L177"></a><tt class="py-lineno">177</tt>  <tt class="py-line"><tt class="py-docstring">        checked after every read or write, or at least after every few.</tt> </tt>
<a name="L178"></a><tt class="py-lineno">178</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L179"></a><tt class="py-lineno">179</tt>  <tt class="py-line"><tt class="py-docstring">        @return: C{True} if a new set of keys needs to be negotiated</tt> </tt>
<a name="L180"></a><tt class="py-lineno">180</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L181"></a><tt class="py-lineno">181</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__need_rekey</tt> </tt>
</div><a name="L182"></a><tt class="py-lineno">182</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.set_keepalive"></a><div id="Packetizer.set_keepalive-def"><a name="L183"></a><tt class="py-lineno">183</tt> <a class="py-toggle" href="#" id="Packetizer.set_keepalive-toggle" onclick="return toggle('Packetizer.set_keepalive');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#set_keepalive">set_keepalive</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">interval</tt><tt class="py-op">,</tt> <tt class="py-param">callback</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.set_keepalive-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.set_keepalive-expanded"><a name="L184"></a><tt class="py-lineno">184</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L185"></a><tt class="py-lineno">185</tt>  <tt class="py-line"><tt class="py-docstring">        Turn on/off the callback keepalive.  If C{interval} seconds pass with</tt> </tt>
<a name="L186"></a><tt class="py-lineno">186</tt>  <tt class="py-line"><tt class="py-docstring">        no data read from or written to the socket, the callback will be</tt> </tt>
<a name="L187"></a><tt class="py-lineno">187</tt>  <tt class="py-line"><tt class="py-docstring">        executed and the timer will be reset.</tt> </tt>
<a name="L188"></a><tt class="py-lineno">188</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L189"></a><tt class="py-lineno">189</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__keepalive_interval</tt> <tt class="py-op">=</tt> <tt class="py-name">interval</tt> </tt>
<a name="L190"></a><tt class="py-lineno">190</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__keepalive_callback</tt> <tt class="py-op">=</tt> <tt class="py-name">callback</tt> </tt>
<a name="L191"></a><tt class="py-lineno">191</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__keepalive_last</tt> <tt class="py-op">=</tt> <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L192"></a><tt class="py-lineno">192</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.read_all"></a><div id="Packetizer.read_all-def"><a name="L193"></a><tt class="py-lineno">193</tt> <a class="py-toggle" href="#" id="Packetizer.read_all-toggle" onclick="return toggle('Packetizer.read_all');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#read_all">read_all</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">n</tt><tt class="py-op">,</tt> <tt class="py-param">check_rekey</tt><tt class="py-op">=</tt><tt class="py-name">False</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.read_all-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.read_all-expanded"><a name="L194"></a><tt class="py-lineno">194</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L195"></a><tt class="py-lineno">195</tt>  <tt class="py-line"><tt class="py-docstring">        Read as close to N bytes as possible, blocking as long as necessary.</tt> </tt>
<a name="L196"></a><tt class="py-lineno">196</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L197"></a><tt class="py-lineno">197</tt>  <tt class="py-line"><tt class="py-docstring">        @param n: number of bytes to read</tt> </tt>
<a name="L198"></a><tt class="py-lineno">198</tt>  <tt class="py-line"><tt class="py-docstring">        @type n: int</tt> </tt>
<a name="L199"></a><tt class="py-lineno">199</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the data read</tt> </tt>
<a name="L200"></a><tt class="py-lineno">200</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: str</tt> </tt>
<a name="L201"></a><tt class="py-lineno">201</tt>  <tt class="py-line"><tt class="py-docstring">        @raise EOFError: if the socket was closed before all the bytes could</tt> </tt>
<a name="L202"></a><tt class="py-lineno">202</tt>  <tt class="py-line"><tt class="py-docstring">            be read</tt> </tt>
<a name="L203"></a><tt class="py-lineno">203</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L204"></a><tt class="py-lineno">204</tt>  <tt class="py-line">        <tt class="py-name">out</tt> <tt class="py-op">=</tt> <tt class="py-string">''</tt> </tt>
<a name="L205"></a><tt class="py-lineno">205</tt>  <tt class="py-line">        <tt class="py-comment"># handle over-reading from reading the banner line</tt> </tt>
<a name="L206"></a><tt class="py-lineno">206</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__remainder</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L207"></a><tt class="py-lineno">207</tt>  <tt class="py-line">            <tt class="py-name">out</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__remainder</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-name">n</tt><tt class="py-op">]</tt> </tt>
<a name="L208"></a><tt class="py-lineno">208</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__remainder</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__remainder</tt><tt class="py-op">[</tt><tt class="py-name">n</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> </tt>
<a name="L209"></a><tt class="py-lineno">209</tt>  <tt class="py-line">            <tt class="py-name">n</tt> <tt class="py-op">-=</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">out</tt><tt class="py-op">)</tt> </tt>
<a name="L210"></a><tt class="py-lineno">210</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-18" class="py-name" targets="Variable paramiko.common.PY22=paramiko.common-module.html#PY22"><a title="paramiko.common.PY22" class="py-name" href="#" onclick="return doclink('link-18', 'PY22', 'link-18');">PY22</a></tt><tt class="py-op">:</tt> </tt>
<a name="L211"></a><tt class="py-lineno">211</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_py22_read_all</tt><tt class="py-op">(</tt><tt class="py-name">n</tt><tt class="py-op">,</tt> <tt class="py-name">out</tt><tt class="py-op">)</tt> </tt>
<a name="L212"></a><tt class="py-lineno">212</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-name">n</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L213"></a><tt class="py-lineno">213</tt>  <tt class="py-line">            <tt class="py-name">got_timeout</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L214"></a><tt class="py-lineno">214</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L215"></a><tt class="py-lineno">215</tt>  <tt class="py-line">                <tt class="py-name">x</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__socket</tt><tt class="py-op">.</tt><tt id="link-19" class="py-name" targets="Method paramiko.Channel.recv()=paramiko.Channel-class.html#recv,Method paramiko.ProxyCommand.recv()=paramiko.ProxyCommand-class.html#recv,Method paramiko.win_pageant.PageantConnection.recv()=paramiko.win_pageant.PageantConnection-class.html#recv"><a title="paramiko.Channel.recv
paramiko.ProxyCommand.recv
paramiko.win_pageant.PageantConnection.recv" class="py-name" href="#" onclick="return doclink('link-19', 'recv', 'link-19');">recv</a></tt><tt class="py-op">(</tt><tt class="py-name">n</tt><tt class="py-op">)</tt> </tt>
<a name="L216"></a><tt class="py-lineno">216</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">x</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L217"></a><tt class="py-lineno">217</tt>  <tt class="py-line">                    <tt class="py-keyword">raise</tt> <tt class="py-name">EOFError</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L218"></a><tt class="py-lineno">218</tt>  <tt class="py-line">                <tt class="py-name">out</tt> <tt class="py-op">+=</tt> <tt class="py-name">x</tt> </tt>
<a name="L219"></a><tt class="py-lineno">219</tt>  <tt class="py-line">                <tt class="py-name">n</tt> <tt class="py-op">-=</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">x</tt><tt class="py-op">)</tt> </tt>
<a name="L220"></a><tt class="py-lineno">220</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">socket</tt><tt class="py-op">.</tt><tt class="py-name">timeout</tt><tt class="py-op">:</tt> </tt>
<a name="L221"></a><tt class="py-lineno">221</tt>  <tt class="py-line">                <tt class="py-name">got_timeout</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L222"></a><tt class="py-lineno">222</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">socket</tt><tt class="py-op">.</tt><tt class="py-name">error</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L223"></a><tt class="py-lineno">223</tt>  <tt class="py-line">                <tt class="py-comment"># on Linux, sometimes instead of socket.timeout, we get</tt> </tt>
<a name="L224"></a><tt class="py-lineno">224</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-comment"># EAGAIN.  this is a bug in recent (&gt; 2.6.9) kernels but</tt> </tt>
<a name="L225"></a><tt class="py-lineno">225</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-comment"># we need to work around it.</tt> </tt>
<a name="L226"></a><tt class="py-lineno">226</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">tuple</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">errno</tt><tt class="py-op">.</tt><tt class="py-name">EAGAIN</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L227"></a><tt class="py-lineno">227</tt>  <tt class="py-line">                    <tt class="py-name">got_timeout</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L228"></a><tt class="py-lineno">228</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-op">(</tt><tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">tuple</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">errno</tt><tt class="py-op">.</tt><tt class="py-name">EINTR</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L229"></a><tt class="py-lineno">229</tt>  <tt class="py-line">                    <tt class="py-comment"># syscall interrupted; try again</tt> </tt>
<a name="L230"></a><tt class="py-lineno">230</tt>  <tt class="py-line"><tt class="py-comment"></tt>                    <tt class="py-keyword">pass</tt> </tt>
<a name="L231"></a><tt class="py-lineno">231</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__closed</tt><tt class="py-op">:</tt> </tt>
<a name="L232"></a><tt class="py-lineno">232</tt>  <tt class="py-line">                    <tt class="py-keyword">raise</tt> <tt class="py-name">EOFError</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L233"></a><tt class="py-lineno">233</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L234"></a><tt class="py-lineno">234</tt>  <tt class="py-line">                    <tt class="py-keyword">raise</tt> </tt>
<a name="L235"></a><tt class="py-lineno">235</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">got_timeout</tt><tt class="py-op">:</tt> </tt>
<a name="L236"></a><tt class="py-lineno">236</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__closed</tt><tt class="py-op">:</tt> </tt>
<a name="L237"></a><tt class="py-lineno">237</tt>  <tt class="py-line">                    <tt class="py-keyword">raise</tt> <tt class="py-name">EOFError</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L238"></a><tt class="py-lineno">238</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">check_rekey</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">out</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__need_rekey</tt><tt class="py-op">:</tt> </tt>
<a name="L239"></a><tt class="py-lineno">239</tt>  <tt class="py-line">                    <tt class="py-keyword">raise</tt> <tt id="link-20" class="py-name" targets="Class paramiko.packet.NeedRekeyException=paramiko.packet.NeedRekeyException-class.html"><a title="paramiko.packet.NeedRekeyException" class="py-name" href="#" onclick="return doclink('link-20', 'NeedRekeyException', 'link-20');">NeedRekeyException</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L240"></a><tt class="py-lineno">240</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_check_keepalive</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L241"></a><tt class="py-lineno">241</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">out</tt> </tt>
</div><a name="L242"></a><tt class="py-lineno">242</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.write_all"></a><div id="Packetizer.write_all-def"><a name="L243"></a><tt class="py-lineno">243</tt> <a class="py-toggle" href="#" id="Packetizer.write_all-toggle" onclick="return toggle('Packetizer.write_all');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#write_all">write_all</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">out</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.write_all-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.write_all-expanded"><a name="L244"></a><tt class="py-lineno">244</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__keepalive_last</tt> <tt class="py-op">=</tt> <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L245"></a><tt class="py-lineno">245</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">out</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L246"></a><tt class="py-lineno">246</tt>  <tt class="py-line">            <tt class="py-name">retry_write</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L247"></a><tt class="py-lineno">247</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L248"></a><tt class="py-lineno">248</tt>  <tt class="py-line">                <tt class="py-name">n</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__socket</tt><tt class="py-op">.</tt><tt id="link-21" class="py-name" targets="Method paramiko.Channel.send()=paramiko.Channel-class.html#send,Method paramiko.ProxyCommand.send()=paramiko.ProxyCommand-class.html#send,Method paramiko.win_pageant.PageantConnection.send()=paramiko.win_pageant.PageantConnection-class.html#send"><a title="paramiko.Channel.send
paramiko.ProxyCommand.send
paramiko.win_pageant.PageantConnection.send" class="py-name" href="#" onclick="return doclink('link-21', 'send', 'link-21');">send</a></tt><tt class="py-op">(</tt><tt class="py-name">out</tt><tt class="py-op">)</tt> </tt>
<a name="L249"></a><tt class="py-lineno">249</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">socket</tt><tt class="py-op">.</tt><tt class="py-name">timeout</tt><tt class="py-op">:</tt> </tt>
<a name="L250"></a><tt class="py-lineno">250</tt>  <tt class="py-line">                <tt class="py-name">retry_write</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L251"></a><tt class="py-lineno">251</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">socket</tt><tt class="py-op">.</tt><tt class="py-name">error</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L252"></a><tt class="py-lineno">252</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">tuple</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">errno</tt><tt class="py-op">.</tt><tt class="py-name">EAGAIN</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L253"></a><tt class="py-lineno">253</tt>  <tt class="py-line">                    <tt class="py-name">retry_write</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L254"></a><tt class="py-lineno">254</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-op">(</tt><tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">tuple</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">errno</tt><tt class="py-op">.</tt><tt class="py-name">EINTR</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L255"></a><tt class="py-lineno">255</tt>  <tt class="py-line">                    <tt class="py-comment"># syscall interrupted; try again</tt> </tt>
<a name="L256"></a><tt class="py-lineno">256</tt>  <tt class="py-line"><tt class="py-comment"></tt>                    <tt class="py-name">retry_write</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L257"></a><tt class="py-lineno">257</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L258"></a><tt class="py-lineno">258</tt>  <tt class="py-line">                    <tt class="py-name">n</tt> <tt class="py-op">=</tt> <tt class="py-op">-</tt><tt class="py-number">1</tt> </tt>
<a name="L259"></a><tt class="py-lineno">259</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt id="link-22" class="py-name"><a title="paramiko.ProxyCommandFailure" class="py-name" href="#" onclick="return doclink('link-22', 'ProxyCommandFailure', 'link-7');">ProxyCommandFailure</a></tt><tt class="py-op">:</tt> </tt>
<a name="L260"></a><tt class="py-lineno">260</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt class="py-comment"># so it doesn't get swallowed by the below catchall</tt> </tt>
<a name="L261"></a><tt class="py-lineno">261</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">:</tt> </tt>
<a name="L262"></a><tt class="py-lineno">262</tt>  <tt class="py-line">                <tt class="py-comment"># could be: (32, 'Broken pipe')</tt> </tt>
<a name="L263"></a><tt class="py-lineno">263</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-name">n</tt> <tt class="py-op">=</tt> <tt class="py-op">-</tt><tt class="py-number">1</tt> </tt>
<a name="L264"></a><tt class="py-lineno">264</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">retry_write</tt><tt class="py-op">:</tt> </tt>
<a name="L265"></a><tt class="py-lineno">265</tt>  <tt class="py-line">                <tt class="py-name">n</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L266"></a><tt class="py-lineno">266</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__closed</tt><tt class="py-op">:</tt> </tt>
<a name="L267"></a><tt class="py-lineno">267</tt>  <tt class="py-line">                    <tt class="py-name">n</tt> <tt class="py-op">=</tt> <tt class="py-op">-</tt><tt class="py-number">1</tt> </tt>
<a name="L268"></a><tt class="py-lineno">268</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">n</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L269"></a><tt class="py-lineno">269</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt class="py-name">EOFError</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L270"></a><tt class="py-lineno">270</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">n</tt> <tt class="py-op">==</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">out</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L271"></a><tt class="py-lineno">271</tt>  <tt class="py-line">                <tt class="py-keyword">break</tt> </tt>
<a name="L272"></a><tt class="py-lineno">272</tt>  <tt class="py-line">            <tt class="py-name">out</tt> <tt class="py-op">=</tt> <tt class="py-name">out</tt><tt class="py-op">[</tt><tt class="py-name">n</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> </tt>
<a name="L273"></a><tt class="py-lineno">273</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> </tt>
</div><a name="L274"></a><tt class="py-lineno">274</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.readline"></a><div id="Packetizer.readline-def"><a name="L275"></a><tt class="py-lineno">275</tt> <a class="py-toggle" href="#" id="Packetizer.readline-toggle" onclick="return toggle('Packetizer.readline');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#readline">readline</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">timeout</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.readline-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.readline-expanded"><a name="L276"></a><tt class="py-lineno">276</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L277"></a><tt class="py-lineno">277</tt>  <tt class="py-line"><tt class="py-docstring">        Read a line from the socket.  We assume no data is pending after the</tt> </tt>
<a name="L278"></a><tt class="py-lineno">278</tt>  <tt class="py-line"><tt class="py-docstring">        line, so it's okay to attempt large reads.</tt> </tt>
<a name="L279"></a><tt class="py-lineno">279</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L280"></a><tt class="py-lineno">280</tt>  <tt class="py-line">        <tt class="py-name">buf</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__remainder</tt> </tt>
<a name="L281"></a><tt class="py-lineno">281</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-keyword">not</tt> <tt class="py-string">'\n'</tt> <tt class="py-keyword">in</tt> <tt class="py-name">buf</tt><tt class="py-op">:</tt> </tt>
<a name="L282"></a><tt class="py-lineno">282</tt>  <tt class="py-line">            <tt class="py-name">buf</tt> <tt class="py-op">+=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_read_timeout</tt><tt class="py-op">(</tt><tt class="py-name">timeout</tt><tt class="py-op">)</tt> </tt>
<a name="L283"></a><tt class="py-lineno">283</tt>  <tt class="py-line">        <tt class="py-name">n</tt> <tt class="py-op">=</tt> <tt class="py-name">buf</tt><tt class="py-op">.</tt><tt class="py-name">index</tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">)</tt> </tt>
<a name="L284"></a><tt class="py-lineno">284</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__remainder</tt> <tt class="py-op">=</tt> <tt class="py-name">buf</tt><tt class="py-op">[</tt><tt class="py-name">n</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> </tt>
<a name="L285"></a><tt class="py-lineno">285</tt>  <tt class="py-line">        <tt class="py-name">buf</tt> <tt class="py-op">=</tt> <tt class="py-name">buf</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-name">n</tt><tt class="py-op">]</tt> </tt>
<a name="L286"></a><tt class="py-lineno">286</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">buf</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">buf</tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-string">'\r'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L287"></a><tt class="py-lineno">287</tt>  <tt class="py-line">            <tt class="py-name">buf</tt> <tt class="py-op">=</tt> <tt class="py-name">buf</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> </tt>
<a name="L288"></a><tt class="py-lineno">288</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">buf</tt> </tt>
</div><a name="L289"></a><tt class="py-lineno">289</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.send_message"></a><div id="Packetizer.send_message-def"><a name="L290"></a><tt class="py-lineno">290</tt> <a class="py-toggle" href="#" id="Packetizer.send_message-toggle" onclick="return toggle('Packetizer.send_message');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#send_message">send_message</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">data</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.send_message-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.send_message-expanded"><a name="L291"></a><tt class="py-lineno">291</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L292"></a><tt class="py-lineno">292</tt>  <tt class="py-line"><tt class="py-docstring">        Write a block of data using the current cipher, as an SSH block.</tt> </tt>
<a name="L293"></a><tt class="py-lineno">293</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L294"></a><tt class="py-lineno">294</tt>  <tt class="py-line">        <tt class="py-comment"># encrypt this sucka</tt> </tt>
<a name="L295"></a><tt class="py-lineno">295</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">)</tt> </tt>
<a name="L296"></a><tt class="py-lineno">296</tt>  <tt class="py-line">        <tt class="py-name">cmd</tt> <tt class="py-op">=</tt> <tt class="py-name">ord</tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L297"></a><tt class="py-lineno">297</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">cmd</tt> <tt class="py-keyword">in</tt> <tt id="link-23" class="py-name" targets="Variable paramiko.common.MSG_NAMES=paramiko.common-module.html#MSG_NAMES"><a title="paramiko.common.MSG_NAMES" class="py-name" href="#" onclick="return doclink('link-23', 'MSG_NAMES', 'link-23');">MSG_NAMES</a></tt><tt class="py-op">:</tt> </tt>
<a name="L298"></a><tt class="py-lineno">298</tt>  <tt class="py-line">            <tt class="py-name">cmd_name</tt> <tt class="py-op">=</tt> <tt id="link-24" class="py-name"><a title="paramiko.common.MSG_NAMES" class="py-name" href="#" onclick="return doclink('link-24', 'MSG_NAMES', 'link-23');">MSG_NAMES</a></tt><tt class="py-op">[</tt><tt class="py-name">cmd</tt><tt class="py-op">]</tt> </tt>
<a name="L299"></a><tt class="py-lineno">299</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L300"></a><tt class="py-lineno">300</tt>  <tt class="py-line">            <tt class="py-name">cmd_name</tt> <tt class="py-op">=</tt> <tt class="py-string">'$%x'</tt> <tt class="py-op">%</tt> <tt class="py-name">cmd</tt> </tt>
<a name="L301"></a><tt class="py-lineno">301</tt>  <tt class="py-line">        <tt class="py-name">orig_len</tt> <tt class="py-op">=</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">)</tt> </tt>
<a name="L302"></a><tt class="py-lineno">302</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__write_lock</tt><tt class="py-op">.</tt><tt class="py-name">acquire</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L303"></a><tt class="py-lineno">303</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L304"></a><tt class="py-lineno">304</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__compress_engine_out</tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L305"></a><tt class="py-lineno">305</tt>  <tt class="py-line">                <tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__compress_engine_out</tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">)</tt> </tt>
<a name="L306"></a><tt class="py-lineno">306</tt>  <tt class="py-line">            <tt id="link-25" class="py-name" targets="Module paramiko.packet=paramiko.packet-module.html"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-25', 'packet', 'link-25');">packet</a></tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_build_packet</tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">)</tt> </tt>
<a name="L307"></a><tt class="py-lineno">307</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__dump_packets</tt><tt class="py-op">:</tt> </tt>
<a name="L308"></a><tt class="py-lineno">308</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_log</tt><tt class="py-op">(</tt><tt id="link-26" class="py-name" targets="Variable paramiko.common.DEBUG=paramiko.common-module.html#DEBUG,Variable paramiko.logging22.DEBUG=paramiko.logging22-module.html#DEBUG"><a title="paramiko.common.DEBUG
paramiko.logging22.DEBUG" class="py-name" href="#" onclick="return doclink('link-26', 'DEBUG', 'link-26');">DEBUG</a></tt><tt class="py-op">,</tt> <tt class="py-string">'Write packet &lt;%s&gt;, length %d'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">cmd_name</tt><tt class="py-op">,</tt> <tt class="py-name">orig_len</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L309"></a><tt class="py-lineno">309</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_log</tt><tt class="py-op">(</tt><tt id="link-27" class="py-name"><a title="paramiko.common.DEBUG
paramiko.logging22.DEBUG" class="py-name" href="#" onclick="return doclink('link-27', 'DEBUG', 'link-26');">DEBUG</a></tt><tt class="py-op">,</tt> <tt id="link-28" class="py-name"><a title="paramiko.util" class="py-name" href="#" onclick="return doclink('link-28', 'util', 'link-3');">util</a></tt><tt class="py-op">.</tt><tt id="link-29" class="py-name" targets="Function paramiko.util.format_binary()=paramiko.util-module.html#format_binary"><a title="paramiko.util.format_binary" class="py-name" href="#" onclick="return doclink('link-29', 'format_binary', 'link-29');">format_binary</a></tt><tt class="py-op">(</tt><tt id="link-30" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-30', 'packet', 'link-25');">packet</a></tt><tt class="py-op">,</tt> <tt class="py-string">'OUT: '</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L310"></a><tt class="py-lineno">310</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_out</tt> <tt class="py-op">!=</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L311"></a><tt class="py-lineno">311</tt>  <tt class="py-line">                <tt class="py-name">out</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_out</tt><tt class="py-op">.</tt><tt class="py-name">encrypt</tt><tt class="py-op">(</tt><tt id="link-31" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-31', 'packet', 'link-25');">packet</a></tt><tt class="py-op">)</tt> </tt>
<a name="L312"></a><tt class="py-lineno">312</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L313"></a><tt class="py-lineno">313</tt>  <tt class="py-line">                <tt class="py-name">out</tt> <tt class="py-op">=</tt> <tt id="link-32" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-32', 'packet', 'link-25');">packet</a></tt> </tt>
<a name="L314"></a><tt class="py-lineno">314</tt>  <tt class="py-line">            <tt class="py-comment"># + mac</tt> </tt>
<a name="L315"></a><tt class="py-lineno">315</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_out</tt> <tt class="py-op">!=</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L316"></a><tt class="py-lineno">316</tt>  <tt class="py-line">                <tt class="py-name">payload</tt> <tt class="py-op">=</tt> <tt class="py-name">struct</tt><tt class="py-op">.</tt><tt class="py-name">pack</tt><tt class="py-op">(</tt><tt class="py-string">'&gt;I'</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sequence_number_out</tt><tt class="py-op">)</tt> <tt class="py-op">+</tt> <tt id="link-33" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-33', 'packet', 'link-25');">packet</a></tt> </tt>
<a name="L317"></a><tt class="py-lineno">317</tt>  <tt class="py-line">                <tt class="py-name">out</tt> <tt class="py-op">+=</tt> <tt id="link-34" class="py-name" targets="Function paramiko.packet.compute_hmac()=paramiko.packet-module.html#compute_hmac"><a title="paramiko.packet.compute_hmac" class="py-name" href="#" onclick="return doclink('link-34', 'compute_hmac', 'link-34');">compute_hmac</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_key_out</tt><tt class="py-op">,</tt> <tt class="py-name">payload</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_engine_out</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_size_out</tt><tt class="py-op">]</tt> </tt>
<a name="L318"></a><tt class="py-lineno">318</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sequence_number_out</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sequence_number_out</tt> <tt class="py-op">+</tt> <tt class="py-number">1</tt><tt class="py-op">)</tt> <tt class="py-op">&amp;</tt> <tt class="py-number">0xffffffffL</tt> </tt>
<a name="L319"></a><tt class="py-lineno">319</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">write_all</tt><tt class="py-op">(</tt><tt class="py-name">out</tt><tt class="py-op">)</tt> </tt>
<a name="L320"></a><tt class="py-lineno">320</tt>  <tt class="py-line"> </tt>
<a name="L321"></a><tt class="py-lineno">321</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sent_bytes</tt> <tt class="py-op">+=</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">out</tt><tt class="py-op">)</tt> </tt>
<a name="L322"></a><tt class="py-lineno">322</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sent_packets</tt> <tt class="py-op">+=</tt> <tt class="py-number">1</tt> </tt>
<a name="L323"></a><tt class="py-lineno">323</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sent_packets</tt> <tt class="py-op">&gt;=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">REKEY_PACKETS</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sent_bytes</tt> <tt class="py-op">&gt;=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">REKEY_BYTES</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> \ </tt>
<a name="L324"></a><tt class="py-lineno">324</tt>  <tt class="py-line">                   <tt class="py-keyword">and</tt> <tt class="py-keyword">not</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__need_rekey</tt><tt class="py-op">:</tt> </tt>
<a name="L325"></a><tt class="py-lineno">325</tt>  <tt class="py-line">                <tt class="py-comment"># only ask once for rekeying</tt> </tt>
<a name="L326"></a><tt class="py-lineno">326</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_log</tt><tt class="py-op">(</tt><tt id="link-35" class="py-name"><a title="paramiko.common.DEBUG
paramiko.logging22.DEBUG" class="py-name" href="#" onclick="return doclink('link-35', 'DEBUG', 'link-26');">DEBUG</a></tt><tt class="py-op">,</tt> <tt class="py-string">'Rekeying (hit %d packets, %d bytes sent)'</tt> <tt class="py-op">%</tt> </tt>
<a name="L327"></a><tt class="py-lineno">327</tt>  <tt class="py-line">                          <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sent_packets</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sent_bytes</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L328"></a><tt class="py-lineno">328</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_bytes_overflow</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L329"></a><tt class="py-lineno">329</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_packets_overflow</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L330"></a><tt class="py-lineno">330</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_trigger_rekey</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L331"></a><tt class="py-lineno">331</tt>  <tt class="py-line">        <tt class="py-keyword">finally</tt><tt class="py-op">:</tt> </tt>
<a name="L332"></a><tt class="py-lineno">332</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__write_lock</tt><tt class="py-op">.</tt><tt class="py-name">release</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L333"></a><tt class="py-lineno">333</tt>  <tt class="py-line"> </tt>
<a name="Packetizer.read_message"></a><div id="Packetizer.read_message-def"><a name="L334"></a><tt class="py-lineno">334</tt> <a class="py-toggle" href="#" id="Packetizer.read_message-toggle" onclick="return toggle('Packetizer.read_message');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#read_message">read_message</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer.read_message-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer.read_message-expanded"><a name="L335"></a><tt class="py-lineno">335</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L336"></a><tt class="py-lineno">336</tt>  <tt class="py-line"><tt class="py-docstring">        Only one thread should ever be in this function (no other locking is</tt> </tt>
<a name="L337"></a><tt class="py-lineno">337</tt>  <tt class="py-line"><tt class="py-docstring">        done).</tt> </tt>
<a name="L338"></a><tt class="py-lineno">338</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L339"></a><tt class="py-lineno">339</tt>  <tt class="py-line"><tt class="py-docstring">        @raise SSHException: if the packet is mangled</tt> </tt>
<a name="L340"></a><tt class="py-lineno">340</tt>  <tt class="py-line"><tt class="py-docstring">        @raise NeedRekeyException: if the transport should rekey</tt> </tt>
<a name="L341"></a><tt class="py-lineno">341</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L342"></a><tt class="py-lineno">342</tt>  <tt class="py-line">        <tt class="py-name">header</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">read_all</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_size_in</tt><tt class="py-op">,</tt> <tt class="py-name">check_rekey</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">)</tt> </tt>
<a name="L343"></a><tt class="py-lineno">343</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_in</tt> <tt class="py-op">!=</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L344"></a><tt class="py-lineno">344</tt>  <tt class="py-line">            <tt class="py-name">header</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_in</tt><tt class="py-op">.</tt><tt class="py-name">decrypt</tt><tt class="py-op">(</tt><tt class="py-name">header</tt><tt class="py-op">)</tt> </tt>
<a name="L345"></a><tt class="py-lineno">345</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__dump_packets</tt><tt class="py-op">:</tt> </tt>
<a name="L346"></a><tt class="py-lineno">346</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_log</tt><tt class="py-op">(</tt><tt id="link-36" class="py-name"><a title="paramiko.common.DEBUG
paramiko.logging22.DEBUG" class="py-name" href="#" onclick="return doclink('link-36', 'DEBUG', 'link-26');">DEBUG</a></tt><tt class="py-op">,</tt> <tt id="link-37" class="py-name"><a title="paramiko.util" class="py-name" href="#" onclick="return doclink('link-37', 'util', 'link-3');">util</a></tt><tt class="py-op">.</tt><tt id="link-38" class="py-name"><a title="paramiko.util.format_binary" class="py-name" href="#" onclick="return doclink('link-38', 'format_binary', 'link-29');">format_binary</a></tt><tt class="py-op">(</tt><tt class="py-name">header</tt><tt class="py-op">,</tt> <tt class="py-string">'IN: '</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">;</tt> </tt>
<a name="L347"></a><tt class="py-lineno">347</tt>  <tt class="py-line">        <tt class="py-name">packet_size</tt> <tt class="py-op">=</tt> <tt class="py-name">struct</tt><tt class="py-op">.</tt><tt class="py-name">unpack</tt><tt class="py-op">(</tt><tt class="py-string">'&gt;I'</tt><tt class="py-op">,</tt> <tt class="py-name">header</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-number">4</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L348"></a><tt class="py-lineno">348</tt>  <tt class="py-line">        <tt class="py-comment"># leftover contains decrypted bytes from the first block (after the length field)</tt> </tt>
<a name="L349"></a><tt class="py-lineno">349</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">leftover</tt> <tt class="py-op">=</tt> <tt class="py-name">header</tt><tt class="py-op">[</tt><tt class="py-number">4</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> </tt>
<a name="L350"></a><tt class="py-lineno">350</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">packet_size</tt> <tt class="py-op">-</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">leftover</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> <tt class="py-op">%</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_size_in</tt> <tt class="py-op">!=</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L351"></a><tt class="py-lineno">351</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-39" class="py-name"><a title="paramiko.SSHException" class="py-name" href="#" onclick="return doclink('link-39', 'SSHException', 'link-6');">SSHException</a></tt><tt class="py-op">(</tt><tt class="py-string">'Invalid packet blocking'</tt><tt class="py-op">)</tt> </tt>
<a name="L352"></a><tt class="py-lineno">352</tt>  <tt class="py-line">        <tt class="py-name">buf</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">read_all</tt><tt class="py-op">(</tt><tt class="py-name">packet_size</tt> <tt class="py-op">+</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_size_in</tt> <tt class="py-op">-</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">leftover</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L353"></a><tt class="py-lineno">353</tt>  <tt class="py-line">        <tt id="link-40" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-40', 'packet', 'link-25');">packet</a></tt> <tt class="py-op">=</tt> <tt class="py-name">buf</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-name">packet_size</tt> <tt class="py-op">-</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">leftover</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> </tt>
<a name="L354"></a><tt class="py-lineno">354</tt>  <tt class="py-line">        <tt class="py-name">post_packet</tt> <tt class="py-op">=</tt> <tt class="py-name">buf</tt><tt class="py-op">[</tt><tt class="py-name">packet_size</tt> <tt class="py-op">-</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">leftover</tt><tt class="py-op">)</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> </tt>
<a name="L355"></a><tt class="py-lineno">355</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_in</tt> <tt class="py-op">!=</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L356"></a><tt class="py-lineno">356</tt>  <tt class="py-line">            <tt id="link-41" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-41', 'packet', 'link-25');">packet</a></tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_in</tt><tt class="py-op">.</tt><tt class="py-name">decrypt</tt><tt class="py-op">(</tt><tt id="link-42" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-42', 'packet', 'link-25');">packet</a></tt><tt class="py-op">)</tt> </tt>
<a name="L357"></a><tt class="py-lineno">357</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__dump_packets</tt><tt class="py-op">:</tt> </tt>
<a name="L358"></a><tt class="py-lineno">358</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_log</tt><tt class="py-op">(</tt><tt id="link-43" class="py-name"><a title="paramiko.common.DEBUG
paramiko.logging22.DEBUG" class="py-name" href="#" onclick="return doclink('link-43', 'DEBUG', 'link-26');">DEBUG</a></tt><tt class="py-op">,</tt> <tt id="link-44" class="py-name"><a title="paramiko.util" class="py-name" href="#" onclick="return doclink('link-44', 'util', 'link-3');">util</a></tt><tt class="py-op">.</tt><tt id="link-45" class="py-name"><a title="paramiko.util.format_binary" class="py-name" href="#" onclick="return doclink('link-45', 'format_binary', 'link-29');">format_binary</a></tt><tt class="py-op">(</tt><tt id="link-46" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-46', 'packet', 'link-25');">packet</a></tt><tt class="py-op">,</tt> <tt class="py-string">'IN: '</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">;</tt> </tt>
<a name="L359"></a><tt class="py-lineno">359</tt>  <tt class="py-line">        <tt id="link-47" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-47', 'packet', 'link-25');">packet</a></tt> <tt class="py-op">=</tt> <tt class="py-name">leftover</tt> <tt class="py-op">+</tt> <tt id="link-48" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-48', 'packet', 'link-25');">packet</a></tt> </tt>
<a name="L360"></a><tt class="py-lineno">360</tt>  <tt class="py-line"> </tt>
<a name="L361"></a><tt class="py-lineno">361</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_size_in</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L362"></a><tt class="py-lineno">362</tt>  <tt class="py-line">            <tt class="py-name">mac</tt> <tt class="py-op">=</tt> <tt class="py-name">post_packet</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_size_in</tt><tt class="py-op">]</tt> </tt>
<a name="L363"></a><tt class="py-lineno">363</tt>  <tt class="py-line">            <tt class="py-name">mac_payload</tt> <tt class="py-op">=</tt> <tt class="py-name">struct</tt><tt class="py-op">.</tt><tt class="py-name">pack</tt><tt class="py-op">(</tt><tt class="py-string">'&gt;II'</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sequence_number_in</tt><tt class="py-op">,</tt> <tt class="py-name">packet_size</tt><tt class="py-op">)</tt> <tt class="py-op">+</tt> <tt id="link-49" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-49', 'packet', 'link-25');">packet</a></tt> </tt>
<a name="L364"></a><tt class="py-lineno">364</tt>  <tt class="py-line">            <tt class="py-name">my_mac</tt> <tt class="py-op">=</tt> <tt id="link-50" class="py-name"><a title="paramiko.packet.compute_hmac" class="py-name" href="#" onclick="return doclink('link-50', 'compute_hmac', 'link-34');">compute_hmac</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_key_in</tt><tt class="py-op">,</tt> <tt class="py-name">mac_payload</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_engine_in</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_size_in</tt><tt class="py-op">]</tt> </tt>
<a name="L365"></a><tt class="py-lineno">365</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">my_mac</tt> <tt class="py-op">!=</tt> <tt class="py-name">mac</tt><tt class="py-op">:</tt> </tt>
<a name="L366"></a><tt class="py-lineno">366</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt id="link-51" class="py-name"><a title="paramiko.SSHException" class="py-name" href="#" onclick="return doclink('link-51', 'SSHException', 'link-6');">SSHException</a></tt><tt class="py-op">(</tt><tt class="py-string">'Mismatched MAC'</tt><tt class="py-op">)</tt> </tt>
<a name="L367"></a><tt class="py-lineno">367</tt>  <tt class="py-line">        <tt class="py-name">padding</tt> <tt class="py-op">=</tt> <tt class="py-name">ord</tt><tt class="py-op">(</tt><tt id="link-52" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-52', 'packet', 'link-25');">packet</a></tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L368"></a><tt class="py-lineno">368</tt>  <tt class="py-line">        <tt class="py-name">payload</tt> <tt class="py-op">=</tt> <tt id="link-53" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-53', 'packet', 'link-25');">packet</a></tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">:</tt><tt class="py-name">packet_size</tt> <tt class="py-op">-</tt> <tt class="py-name">padding</tt><tt class="py-op">]</tt> </tt>
<a name="L369"></a><tt class="py-lineno">369</tt>  <tt class="py-line">         </tt>
<a name="L370"></a><tt class="py-lineno">370</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__dump_packets</tt><tt class="py-op">:</tt> </tt>
<a name="L371"></a><tt class="py-lineno">371</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_log</tt><tt class="py-op">(</tt><tt id="link-54" class="py-name"><a title="paramiko.common.DEBUG
paramiko.logging22.DEBUG" class="py-name" href="#" onclick="return doclink('link-54', 'DEBUG', 'link-26');">DEBUG</a></tt><tt class="py-op">,</tt> <tt class="py-string">'Got payload (%d bytes, %d padding)'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">packet_size</tt><tt class="py-op">,</tt> <tt class="py-name">padding</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L372"></a><tt class="py-lineno">372</tt>  <tt class="py-line"> </tt>
<a name="L373"></a><tt class="py-lineno">373</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__compress_engine_in</tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L374"></a><tt class="py-lineno">374</tt>  <tt class="py-line">            <tt class="py-name">payload</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__compress_engine_in</tt><tt class="py-op">(</tt><tt class="py-name">payload</tt><tt class="py-op">)</tt> </tt>
<a name="L375"></a><tt class="py-lineno">375</tt>  <tt class="py-line"> </tt>
<a name="L376"></a><tt class="py-lineno">376</tt>  <tt class="py-line">        <tt class="py-name">msg</tt> <tt class="py-op">=</tt> <tt id="link-55" class="py-name"><a title="paramiko.Message" class="py-name" href="#" onclick="return doclink('link-55', 'Message', 'link-10');">Message</a></tt><tt class="py-op">(</tt><tt class="py-name">payload</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">:</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L377"></a><tt class="py-lineno">377</tt>  <tt class="py-line">        <tt class="py-name">msg</tt><tt class="py-op">.</tt><tt class="py-name">seqno</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sequence_number_in</tt> </tt>
<a name="L378"></a><tt class="py-lineno">378</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sequence_number_in</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sequence_number_in</tt> <tt class="py-op">+</tt> <tt class="py-number">1</tt><tt class="py-op">)</tt> <tt class="py-op">&amp;</tt> <tt class="py-number">0xffffffffL</tt> </tt>
<a name="L379"></a><tt class="py-lineno">379</tt>  <tt class="py-line"> </tt>
<a name="L380"></a><tt class="py-lineno">380</tt>  <tt class="py-line">        <tt class="py-comment"># check for rekey</tt> </tt>
<a name="L381"></a><tt class="py-lineno">381</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">raw_packet_size</tt> <tt class="py-op">=</tt> <tt class="py-name">packet_size</tt> <tt class="py-op">+</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__mac_size_in</tt> <tt class="py-op">+</tt> <tt class="py-number">4</tt> </tt>
<a name="L382"></a><tt class="py-lineno">382</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_bytes</tt> <tt class="py-op">+=</tt> <tt class="py-name">raw_packet_size</tt> </tt>
<a name="L383"></a><tt class="py-lineno">383</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_packets</tt> <tt class="py-op">+=</tt> <tt class="py-number">1</tt> </tt>
<a name="L384"></a><tt class="py-lineno">384</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__need_rekey</tt><tt class="py-op">:</tt> </tt>
<a name="L385"></a><tt class="py-lineno">385</tt>  <tt class="py-line">            <tt class="py-comment"># we've asked to rekey -- give them some packets to comply before</tt> </tt>
<a name="L386"></a><tt class="py-lineno">386</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># dropping the connection</tt> </tt>
<a name="L387"></a><tt class="py-lineno">387</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_bytes_overflow</tt> <tt class="py-op">+=</tt> <tt class="py-name">raw_packet_size</tt> </tt>
<a name="L388"></a><tt class="py-lineno">388</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_packets_overflow</tt> <tt class="py-op">+=</tt> <tt class="py-number">1</tt> </tt>
<a name="L389"></a><tt class="py-lineno">389</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_packets_overflow</tt> <tt class="py-op">&gt;=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">REKEY_PACKETS_OVERFLOW_MAX</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> \ </tt>
<a name="L390"></a><tt class="py-lineno">390</tt>  <tt class="py-line">               <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_bytes_overflow</tt> <tt class="py-op">&gt;=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">REKEY_BYTES_OVERFLOW_MAX</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L391"></a><tt class="py-lineno">391</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt id="link-56" class="py-name"><a title="paramiko.SSHException" class="py-name" href="#" onclick="return doclink('link-56', 'SSHException', 'link-6');">SSHException</a></tt><tt class="py-op">(</tt><tt class="py-string">'Remote transport is ignoring rekey requests'</tt><tt class="py-op">)</tt> </tt>
<a name="L392"></a><tt class="py-lineno">392</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_packets</tt> <tt class="py-op">&gt;=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">REKEY_PACKETS</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> \ </tt>
<a name="L393"></a><tt class="py-lineno">393</tt>  <tt class="py-line">             <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_bytes</tt> <tt class="py-op">&gt;=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">REKEY_BYTES</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L394"></a><tt class="py-lineno">394</tt>  <tt class="py-line">            <tt class="py-comment"># only ask once for rekeying</tt> </tt>
<a name="L395"></a><tt class="py-lineno">395</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_log</tt><tt class="py-op">(</tt><tt id="link-57" class="py-name"><a title="paramiko.common.DEBUG
paramiko.logging22.DEBUG" class="py-name" href="#" onclick="return doclink('link-57', 'DEBUG', 'link-26');">DEBUG</a></tt><tt class="py-op">,</tt> <tt class="py-string">'Rekeying (hit %d packets, %d bytes received)'</tt> <tt class="py-op">%</tt> </tt>
<a name="L396"></a><tt class="py-lineno">396</tt>  <tt class="py-line">                      <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_packets</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_bytes</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L397"></a><tt class="py-lineno">397</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_bytes_overflow</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L398"></a><tt class="py-lineno">398</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__received_packets_overflow</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L399"></a><tt class="py-lineno">399</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_trigger_rekey</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L400"></a><tt class="py-lineno">400</tt>  <tt class="py-line"> </tt>
<a name="L401"></a><tt class="py-lineno">401</tt>  <tt class="py-line">        <tt class="py-name">cmd</tt> <tt class="py-op">=</tt> <tt class="py-name">ord</tt><tt class="py-op">(</tt><tt class="py-name">payload</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L402"></a><tt class="py-lineno">402</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">cmd</tt> <tt class="py-keyword">in</tt> <tt id="link-58" class="py-name"><a title="paramiko.common.MSG_NAMES" class="py-name" href="#" onclick="return doclink('link-58', 'MSG_NAMES', 'link-23');">MSG_NAMES</a></tt><tt class="py-op">:</tt> </tt>
<a name="L403"></a><tt class="py-lineno">403</tt>  <tt class="py-line">            <tt class="py-name">cmd_name</tt> <tt class="py-op">=</tt> <tt id="link-59" class="py-name"><a title="paramiko.common.MSG_NAMES" class="py-name" href="#" onclick="return doclink('link-59', 'MSG_NAMES', 'link-23');">MSG_NAMES</a></tt><tt class="py-op">[</tt><tt class="py-name">cmd</tt><tt class="py-op">]</tt> </tt>
<a name="L404"></a><tt class="py-lineno">404</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L405"></a><tt class="py-lineno">405</tt>  <tt class="py-line">            <tt class="py-name">cmd_name</tt> <tt class="py-op">=</tt> <tt class="py-string">'$%x'</tt> <tt class="py-op">%</tt> <tt class="py-name">cmd</tt> </tt>
<a name="L406"></a><tt class="py-lineno">406</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__dump_packets</tt><tt class="py-op">:</tt> </tt>
<a name="L407"></a><tt class="py-lineno">407</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_log</tt><tt class="py-op">(</tt><tt id="link-60" class="py-name"><a title="paramiko.common.DEBUG
paramiko.logging22.DEBUG" class="py-name" href="#" onclick="return doclink('link-60', 'DEBUG', 'link-26');">DEBUG</a></tt><tt class="py-op">,</tt> <tt class="py-string">'Read packet &lt;%s&gt;, length %d'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">cmd_name</tt><tt class="py-op">,</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">payload</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L408"></a><tt class="py-lineno">408</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">cmd</tt><tt class="py-op">,</tt> <tt class="py-name">msg</tt> </tt>
</div><a name="L409"></a><tt class="py-lineno">409</tt>  <tt class="py-line"> </tt>
<a name="L410"></a><tt class="py-lineno">410</tt>  <tt class="py-line"> </tt>
<a name="L411"></a><tt class="py-lineno">411</tt>  <tt class="py-line">    <tt class="py-comment">##########  protected</tt> </tt>
<a name="L412"></a><tt class="py-lineno">412</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L413"></a><tt class="py-lineno">413</tt>  <tt class="py-line"> </tt>
<a name="Packetizer._log"></a><div id="Packetizer._log-def"><a name="L414"></a><tt class="py-lineno">414</tt> <a class="py-toggle" href="#" id="Packetizer._log-toggle" onclick="return toggle('Packetizer._log');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#_log">_log</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">level</tt><tt class="py-op">,</tt> <tt class="py-param">msg</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer._log-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer._log-expanded"><a name="L415"></a><tt class="py-lineno">415</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__logger</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L416"></a><tt class="py-lineno">416</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> </tt>
<a name="L417"></a><tt class="py-lineno">417</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">issubclass</tt><tt class="py-op">(</tt><tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">msg</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">list</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L418"></a><tt class="py-lineno">418</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">m</tt> <tt class="py-keyword">in</tt> <tt class="py-name">msg</tt><tt class="py-op">:</tt> </tt>
<a name="L419"></a><tt class="py-lineno">419</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__logger</tt><tt class="py-op">.</tt><tt id="link-61" class="py-name"><a title="paramiko.logging22.logger.log" class="py-name" href="#" onclick="return doclink('link-61', 'log', 'link-16');">log</a></tt><tt class="py-op">(</tt><tt class="py-name">level</tt><tt class="py-op">,</tt> <tt class="py-name">m</tt><tt class="py-op">)</tt> </tt>
<a name="L420"></a><tt class="py-lineno">420</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L421"></a><tt class="py-lineno">421</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__logger</tt><tt class="py-op">.</tt><tt id="link-62" class="py-name"><a title="paramiko.logging22.logger.log" class="py-name" href="#" onclick="return doclink('link-62', 'log', 'link-16');">log</a></tt><tt class="py-op">(</tt><tt class="py-name">level</tt><tt class="py-op">,</tt> <tt class="py-name">msg</tt><tt class="py-op">)</tt> </tt>
</div><a name="L422"></a><tt class="py-lineno">422</tt>  <tt class="py-line"> </tt>
<a name="Packetizer._check_keepalive"></a><div id="Packetizer._check_keepalive-def"><a name="L423"></a><tt class="py-lineno">423</tt> <a class="py-toggle" href="#" id="Packetizer._check_keepalive-toggle" onclick="return toggle('Packetizer._check_keepalive');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#_check_keepalive">_check_keepalive</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer._check_keepalive-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer._check_keepalive-expanded"><a name="L424"></a><tt class="py-lineno">424</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-keyword">not</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__keepalive_interval</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-op">(</tt><tt class="py-keyword">not</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_out</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> \ </tt>
<a name="L425"></a><tt class="py-lineno">425</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__need_rekey</tt><tt class="py-op">:</tt> </tt>
<a name="L426"></a><tt class="py-lineno">426</tt>  <tt class="py-line">            <tt class="py-comment"># wait till we're encrypting, and not in the middle of rekeying</tt> </tt>
<a name="L427"></a><tt class="py-lineno">427</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-keyword">return</tt> </tt>
<a name="L428"></a><tt class="py-lineno">428</tt>  <tt class="py-line">        <tt class="py-name">now</tt> <tt class="py-op">=</tt> <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L429"></a><tt class="py-lineno">429</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">now</tt> <tt class="py-op">&gt;</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__keepalive_last</tt> <tt class="py-op">+</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__keepalive_interval</tt><tt class="py-op">:</tt> </tt>
<a name="L430"></a><tt class="py-lineno">430</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__keepalive_callback</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L431"></a><tt class="py-lineno">431</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__keepalive_last</tt> <tt class="py-op">=</tt> <tt class="py-name">now</tt> </tt>
</div><a name="L432"></a><tt class="py-lineno">432</tt>  <tt class="py-line"> </tt>
<a name="Packetizer._py22_read_all"></a><div id="Packetizer._py22_read_all-def"><a name="L433"></a><tt class="py-lineno">433</tt> <a class="py-toggle" href="#" id="Packetizer._py22_read_all-toggle" onclick="return toggle('Packetizer._py22_read_all');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#_py22_read_all">_py22_read_all</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">n</tt><tt class="py-op">,</tt> <tt class="py-param">out</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer._py22_read_all-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer._py22_read_all-expanded"><a name="L434"></a><tt class="py-lineno">434</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-name">n</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L435"></a><tt class="py-lineno">435</tt>  <tt class="py-line">            <tt class="py-name">r</tt><tt class="py-op">,</tt> <tt class="py-name">w</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt> <tt class="py-op">=</tt> <tt class="py-name">select</tt><tt class="py-op">.</tt><tt class="py-name">select</tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__socket</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-number">0.1</tt><tt class="py-op">)</tt> </tt>
<a name="L436"></a><tt class="py-lineno">436</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__socket</tt> <tt class="py-keyword">not</tt> <tt class="py-keyword">in</tt> <tt class="py-name">r</tt><tt class="py-op">:</tt> </tt>
<a name="L437"></a><tt class="py-lineno">437</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__closed</tt><tt class="py-op">:</tt> </tt>
<a name="L438"></a><tt class="py-lineno">438</tt>  <tt class="py-line">                    <tt class="py-keyword">raise</tt> <tt class="py-name">EOFError</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L439"></a><tt class="py-lineno">439</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_check_keepalive</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L440"></a><tt class="py-lineno">440</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L441"></a><tt class="py-lineno">441</tt>  <tt class="py-line">                <tt class="py-name">x</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__socket</tt><tt class="py-op">.</tt><tt id="link-63" class="py-name"><a title="paramiko.Channel.recv
paramiko.ProxyCommand.recv
paramiko.win_pageant.PageantConnection.recv" class="py-name" href="#" onclick="return doclink('link-63', 'recv', 'link-19');">recv</a></tt><tt class="py-op">(</tt><tt class="py-name">n</tt><tt class="py-op">)</tt> </tt>
<a name="L442"></a><tt class="py-lineno">442</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">x</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L443"></a><tt class="py-lineno">443</tt>  <tt class="py-line">                    <tt class="py-keyword">raise</tt> <tt class="py-name">EOFError</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L444"></a><tt class="py-lineno">444</tt>  <tt class="py-line">                <tt class="py-name">out</tt> <tt class="py-op">+=</tt> <tt class="py-name">x</tt> </tt>
<a name="L445"></a><tt class="py-lineno">445</tt>  <tt class="py-line">                <tt class="py-name">n</tt> <tt class="py-op">-=</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">x</tt><tt class="py-op">)</tt> </tt>
<a name="L446"></a><tt class="py-lineno">446</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">out</tt> </tt>
</div><a name="L447"></a><tt class="py-lineno">447</tt>  <tt class="py-line"> </tt>
<a name="Packetizer._py22_read_timeout"></a><div id="Packetizer._py22_read_timeout-def"><a name="L448"></a><tt class="py-lineno">448</tt> <a class="py-toggle" href="#" id="Packetizer._py22_read_timeout-toggle" onclick="return toggle('Packetizer._py22_read_timeout');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#_py22_read_timeout">_py22_read_timeout</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">timeout</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer._py22_read_timeout-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer._py22_read_timeout-expanded"><a name="L449"></a><tt class="py-lineno">449</tt>  <tt class="py-line">        <tt class="py-name">start</tt> <tt class="py-op">=</tt> <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L450"></a><tt class="py-lineno">450</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L451"></a><tt class="py-lineno">451</tt>  <tt class="py-line">            <tt class="py-name">r</tt><tt class="py-op">,</tt> <tt class="py-name">w</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt> <tt class="py-op">=</tt> <tt class="py-name">select</tt><tt class="py-op">.</tt><tt class="py-name">select</tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__socket</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-number">0.1</tt><tt class="py-op">)</tt> </tt>
<a name="L452"></a><tt class="py-lineno">452</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__socket</tt> <tt class="py-keyword">in</tt> <tt class="py-name">r</tt><tt class="py-op">:</tt> </tt>
<a name="L453"></a><tt class="py-lineno">453</tt>  <tt class="py-line">                <tt class="py-name">x</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__socket</tt><tt class="py-op">.</tt><tt id="link-64" class="py-name"><a title="paramiko.Channel.recv
paramiko.ProxyCommand.recv
paramiko.win_pageant.PageantConnection.recv" class="py-name" href="#" onclick="return doclink('link-64', 'recv', 'link-19');">recv</a></tt><tt class="py-op">(</tt><tt class="py-number">1</tt><tt class="py-op">)</tt> </tt>
<a name="L454"></a><tt class="py-lineno">454</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">x</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L455"></a><tt class="py-lineno">455</tt>  <tt class="py-line">                    <tt class="py-keyword">raise</tt> <tt class="py-name">EOFError</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L456"></a><tt class="py-lineno">456</tt>  <tt class="py-line">                <tt class="py-keyword">break</tt> </tt>
<a name="L457"></a><tt class="py-lineno">457</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__closed</tt><tt class="py-op">:</tt> </tt>
<a name="L458"></a><tt class="py-lineno">458</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt class="py-name">EOFError</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L459"></a><tt class="py-lineno">459</tt>  <tt class="py-line">            <tt class="py-name">now</tt> <tt class="py-op">=</tt> <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L460"></a><tt class="py-lineno">460</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">now</tt> <tt class="py-op">-</tt> <tt class="py-name">start</tt> <tt class="py-op">&gt;=</tt> <tt class="py-name">timeout</tt><tt class="py-op">:</tt> </tt>
<a name="L461"></a><tt class="py-lineno">461</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt class="py-name">socket</tt><tt class="py-op">.</tt><tt class="py-name">timeout</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L462"></a><tt class="py-lineno">462</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">x</tt> </tt>
</div><a name="L463"></a><tt class="py-lineno">463</tt>  <tt class="py-line"> </tt>
<a name="Packetizer._read_timeout"></a><div id="Packetizer._read_timeout-def"><a name="L464"></a><tt class="py-lineno">464</tt> <a class="py-toggle" href="#" id="Packetizer._read_timeout-toggle" onclick="return toggle('Packetizer._read_timeout');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#_read_timeout">_read_timeout</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">timeout</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer._read_timeout-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer._read_timeout-expanded"><a name="L465"></a><tt class="py-lineno">465</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-65" class="py-name"><a title="paramiko.common.PY22" class="py-name" href="#" onclick="return doclink('link-65', 'PY22', 'link-18');">PY22</a></tt><tt class="py-op">:</tt> </tt>
<a name="L466"></a><tt class="py-lineno">466</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_py22_read_timeout</tt><tt class="py-op">(</tt><tt class="py-name">timeout</tt><tt class="py-op">)</tt> </tt>
<a name="L467"></a><tt class="py-lineno">467</tt>  <tt class="py-line">        <tt class="py-name">start</tt> <tt class="py-op">=</tt> <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L468"></a><tt class="py-lineno">468</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L469"></a><tt class="py-lineno">469</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L470"></a><tt class="py-lineno">470</tt>  <tt class="py-line">                <tt class="py-name">x</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__socket</tt><tt class="py-op">.</tt><tt id="link-66" class="py-name"><a title="paramiko.Channel.recv
paramiko.ProxyCommand.recv
paramiko.win_pageant.PageantConnection.recv" class="py-name" href="#" onclick="return doclink('link-66', 'recv', 'link-19');">recv</a></tt><tt class="py-op">(</tt><tt class="py-number">128</tt><tt class="py-op">)</tt> </tt>
<a name="L471"></a><tt class="py-lineno">471</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">x</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L472"></a><tt class="py-lineno">472</tt>  <tt class="py-line">                    <tt class="py-keyword">raise</tt> <tt class="py-name">EOFError</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L473"></a><tt class="py-lineno">473</tt>  <tt class="py-line">                <tt class="py-keyword">break</tt> </tt>
<a name="L474"></a><tt class="py-lineno">474</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">socket</tt><tt class="py-op">.</tt><tt class="py-name">timeout</tt><tt class="py-op">:</tt> </tt>
<a name="L475"></a><tt class="py-lineno">475</tt>  <tt class="py-line">                <tt class="py-keyword">pass</tt> </tt>
<a name="L476"></a><tt class="py-lineno">476</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">EnvironmentError</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L477"></a><tt class="py-lineno">477</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">tuple</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> </tt>
<a name="L478"></a><tt class="py-lineno">478</tt>  <tt class="py-line">                    <tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">args</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">errno</tt><tt class="py-op">.</tt><tt class="py-name">EINTR</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L479"></a><tt class="py-lineno">479</tt>  <tt class="py-line">                    <tt class="py-keyword">pass</tt> </tt>
<a name="L480"></a><tt class="py-lineno">480</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L481"></a><tt class="py-lineno">481</tt>  <tt class="py-line">                    <tt class="py-keyword">raise</tt> </tt>
<a name="L482"></a><tt class="py-lineno">482</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__closed</tt><tt class="py-op">:</tt> </tt>
<a name="L483"></a><tt class="py-lineno">483</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt class="py-name">EOFError</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L484"></a><tt class="py-lineno">484</tt>  <tt class="py-line">            <tt class="py-name">now</tt> <tt class="py-op">=</tt> <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L485"></a><tt class="py-lineno">485</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">now</tt> <tt class="py-op">-</tt> <tt class="py-name">start</tt> <tt class="py-op">&gt;=</tt> <tt class="py-name">timeout</tt><tt class="py-op">:</tt> </tt>
<a name="L486"></a><tt class="py-lineno">486</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt class="py-name">socket</tt><tt class="py-op">.</tt><tt class="py-name">timeout</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L487"></a><tt class="py-lineno">487</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">x</tt> </tt>
</div><a name="L488"></a><tt class="py-lineno">488</tt>  <tt class="py-line"> </tt>
<a name="Packetizer._build_packet"></a><div id="Packetizer._build_packet-def"><a name="L489"></a><tt class="py-lineno">489</tt> <a class="py-toggle" href="#" id="Packetizer._build_packet-toggle" onclick="return toggle('Packetizer._build_packet');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#_build_packet">_build_packet</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">payload</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer._build_packet-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer._build_packet-expanded"><a name="L490"></a><tt class="py-lineno">490</tt>  <tt class="py-line">        <tt class="py-comment"># pad up at least 4 bytes, to nearest block-size (usually 8)</tt> </tt>
<a name="L491"></a><tt class="py-lineno">491</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">bsize</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_size_out</tt> </tt>
<a name="L492"></a><tt class="py-lineno">492</tt>  <tt class="py-line">        <tt class="py-name">padding</tt> <tt class="py-op">=</tt> <tt class="py-number">3</tt> <tt class="py-op">+</tt> <tt class="py-name">bsize</tt> <tt class="py-op">-</tt> <tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">payload</tt><tt class="py-op">)</tt> <tt class="py-op">+</tt> <tt class="py-number">8</tt><tt class="py-op">)</tt> <tt class="py-op">%</tt> <tt class="py-name">bsize</tt><tt class="py-op">)</tt> </tt>
<a name="L493"></a><tt class="py-lineno">493</tt>  <tt class="py-line">        <tt id="link-67" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-67', 'packet', 'link-25');">packet</a></tt> <tt class="py-op">=</tt> <tt class="py-name">struct</tt><tt class="py-op">.</tt><tt class="py-name">pack</tt><tt class="py-op">(</tt><tt class="py-string">'&gt;IB'</tt><tt class="py-op">,</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">payload</tt><tt class="py-op">)</tt> <tt class="py-op">+</tt> <tt class="py-name">padding</tt> <tt class="py-op">+</tt> <tt class="py-number">1</tt><tt class="py-op">,</tt> <tt class="py-name">padding</tt><tt class="py-op">)</tt> </tt>
<a name="L494"></a><tt class="py-lineno">494</tt>  <tt class="py-line">        <tt id="link-68" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-68', 'packet', 'link-25');">packet</a></tt> <tt class="py-op">+=</tt> <tt class="py-name">payload</tt> </tt>
<a name="L495"></a><tt class="py-lineno">495</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__sdctr_out</tt> <tt class="py-keyword">or</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__block_engine_out</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L496"></a><tt class="py-lineno">496</tt>  <tt class="py-line">            <tt class="py-comment"># cute trick i caught openssh doing: if we're not encrypting or SDCTR mode (RFC4344),</tt> </tt>
<a name="L497"></a><tt class="py-lineno">497</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># don't waste random bytes for the padding</tt> </tt>
<a name="L498"></a><tt class="py-lineno">498</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt id="link-69" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-69', 'packet', 'link-25');">packet</a></tt> <tt class="py-op">+=</tt> <tt class="py-op">(</tt><tt class="py-name">chr</tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-op">*</tt> <tt class="py-name">padding</tt><tt class="py-op">)</tt> </tt>
<a name="L499"></a><tt class="py-lineno">499</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L500"></a><tt class="py-lineno">500</tt>  <tt class="py-line">            <tt id="link-70" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-70', 'packet', 'link-25');">packet</a></tt> <tt class="py-op">+=</tt> <tt id="link-71" class="py-name" targets="Variable paramiko.common.rng=paramiko.common-module.html#rng"><a title="paramiko.common.rng" class="py-name" href="#" onclick="return doclink('link-71', 'rng', 'link-71');">rng</a></tt><tt class="py-op">.</tt><tt id="link-72" class="py-name" targets="Method paramiko.BufferedFile.read()=paramiko.BufferedFile-class.html#read,Method paramiko.SFTPHandle.read()=paramiko.SFTPHandle-class.html#read,Method paramiko.buffered_pipe.BufferedPipe.read()=paramiko.buffered_pipe.BufferedPipe-class.html#read"><a title="paramiko.BufferedFile.read
paramiko.SFTPHandle.read
paramiko.buffered_pipe.BufferedPipe.read" class="py-name" href="#" onclick="return doclink('link-72', 'read', 'link-72');">read</a></tt><tt class="py-op">(</tt><tt class="py-name">padding</tt><tt class="py-op">)</tt> </tt>
<a name="L501"></a><tt class="py-lineno">501</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-73" class="py-name"><a title="paramiko.packet" class="py-name" href="#" onclick="return doclink('link-73', 'packet', 'link-25');">packet</a></tt> </tt>
</div><a name="L502"></a><tt class="py-lineno">502</tt>  <tt class="py-line"> </tt>
<a name="Packetizer._trigger_rekey"></a><div id="Packetizer._trigger_rekey-def"><a name="L503"></a><tt class="py-lineno">503</tt> <a class="py-toggle" href="#" id="Packetizer._trigger_rekey-toggle" onclick="return toggle('Packetizer._trigger_rekey');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.packet.Packetizer-class.html#_trigger_rekey">_trigger_rekey</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Packetizer._trigger_rekey-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Packetizer._trigger_rekey-expanded"><a name="L504"></a><tt class="py-lineno">504</tt>  <tt class="py-line">        <tt class="py-comment"># outside code should check for this flag</tt> </tt>
<a name="L505"></a><tt class="py-lineno">505</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__need_rekey</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
</div></div><a name="L506"></a><tt class="py-lineno">506</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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